SPC Cardiopulmonary Physiology Unit 1
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show | Straitifed Squamous, Pseudostratified Columnar, Cuboidal, Simple Squamous
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What are the major structures of the upper airways? | show 🗑
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What are the conducting airways of the lower airways? | show 🗑
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What are the gas exchange airways? | show 🗑
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show | Nasopharynx – pseudostratified ciliated columnar
Oropharynx – stratified squamous
Laryngo/hypopharynx – stratified squamous
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What are the types of epithelium in the larynx? | show 🗑
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show | Epiglottis, Thyroid, Cricoid
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show | Length: 11-13 cm. 15-20 C-shaped cartilages
Diameter: 1.5 - 2.5cm
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show | C-5 to T-5; Cricoids cartilage to carina; Carina is 21-23cm from the lips
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show | *Right: 20-30 degree angle, Length: 2.5cm, Diameter: 1.4cm
*Left: 40-60 degree angle, Length: 5cm, Diameter 1.0cm
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show | Pseudostratified ciliated columnar
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Identify the composition of the lamina propria | show 🗑
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show | Canals of Lambert & Pores of Kohn
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show | Simple Cuboidal
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What is Type I cell? | show 🗑
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show | Granular pneumocyte – inclusion bodies produce surfactant – hold open alveoli
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What is Type III cell? | show 🗑
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List the primary layers which constitute the alveolar-capillary membrane. | show 🗑
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show | *Tight space – gas exchange
*Loose space – collagen for support & lymphatic vessels for fluid drainage
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Identify the gross structures composing the thoracic cage. | show 🗑
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show | Visceral Pleura: lungs; Parietal Pleura: ribs, diaphragm, mediastinum; Serous membranes of cuboidal epithelium derived from mesoderm; Pulmonary Ligament: where the pleurae fuse @ the hilum
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List the major organs, vessels, and nerve found in the mediastinum. | show 🗑
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show | Upper, Middle, Lower
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show | *Upper – apical, posterior, anterior
*Middle – lateral, medial
*Lower – superior, medial basal, anterior basal, lateral basal, posterior basal
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List the 2 lobes of the left lung. | show 🗑
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show | Upper – apical-posterior, anterior; Lingular Segments – superior lingular, inferior lingular
; Lower – superior, anterior medial, lateral basal, posterior basal
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Identify the fissures of the right lung. | show 🗑
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show | Oblique - separates Upper & Lower
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show | Bronch arts perfuse lower conduct airways;1/3 of venous flow from large airways returns to R atrium via Azygos, Hemiazygos, & Intercostal veins;2/3 of venous flow from small airways form;BP Anastomoses drain into pulm circ & return to L Atrium via PVs.
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show | Superficial: lay just below the visceral pleura. Drains excess pleural fluid
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show | Sneeze: induced via irritation of Trigeminal Nerve;Cough: induced via irritation of Glossopharyngeal or Vagus Nerves;Mucociliary Escalator: stimulated by cholinergic stimulation
;Alveolar Clearance: macrophages (Type III cells) clear out inhaled or infe
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show | Immunoglobulins: IgA: antiviral; IgE: associated w/ Type I (eosinophils) hypersensitivity reactions (asthma); IgG & IgM: antibacterial & viral (anti-bodies).
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